CN201333957Y - Device for driving unsymmetrical electric headrest - Google Patents
Device for driving unsymmetrical electric headrest Download PDFInfo
- Publication number
- CN201333957Y CN201333957Y CNU2009200665404U CN200920066540U CN201333957Y CN 201333957 Y CN201333957 Y CN 201333957Y CN U2009200665404 U CNU2009200665404 U CN U2009200665404U CN 200920066540 U CN200920066540 U CN 200920066540U CN 201333957 Y CN201333957 Y CN 201333957Y
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- CN
- China
- Prior art keywords
- headrest
- headrest support
- support
- motor
- limit position
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides a device for driving an unsymmetrical electric headrest, which comprises a guiding support, a driving device and a headrest support, wherein, a guide slot is formed on the guiding support; the driving devices comprises a motor and a screw rod; the motor is fixed on the guiding support; the screw rod is connected with the motor; a screw nut and two guide rods are arranged on the headrest support; the screw nut is connected to the screw rod in a screwed manner; the guide rods are inserted in the guide slot; and limit devices are respectively arranged in an upper limit position and in a lower limit position on the guiding support, which are used for limiting vertical movements of the headrest support. Through the design, the limit devices in the upper lifting limit position and in the lower lifting limit position of the headrest support can serve as position-limiting force bearing points of the headrest support, so as to change the eccentric force bearing state of the headrest support, thereby avoiding a wider band torsion produced at the starting instant of the headrest support; and when the headrest is moved in place, the limit devices at the terminal positions can further correct a small band torsion produced in the lifting process effectively.
Description
Technical field
The utility model relates to a kind of imparity electric headrest actuating device, refers to a kind of anti-imparity electric headrest actuating device that reverses especially.
Background technology
The headrest of automotive seat is for improving a kind of device that vehicle ride comfort and safety are provided with.Senior Pullman saloon is many can to use the electrical motor driven headrest.But because the restriction of seat spaces may be arranged in axle drive shaft and guide groove on the headrest line of centers, as Fig. 1 and shown in Figure 2, existing imparity electric headrest actuating device comprises a guiding trestle 10, is formed with guide groove 11 on the described guiding trestle; One actuating device 20, this actuating device 20 comprise the motor 21 that is fixedly arranged on described guiding trestle 10 and with described motor 21 bonded assembly screw mandrels 22; One headrest support 30, described headrest support 30 is provided with feed screw nut 31, and two guide rods 32,33; Described feed screw nut 31 is screwed together on described screw mandrel 22, and described guide rod 32,33 is inserted in the described guide groove 11; As can be seen from Figure, because screw mandrel 22 and guide groove 11 all are not arranged in the position of center line of headrest support 30, when driving headrest support 30 liftings by screw mandrel 22, headrest support 30 can produce under torsional interaction shown in the arrow and reverse; Especially in the moment that headrest support 30 starts, the moment of torsion of generation is far longer than the moment of torsion that produces in the lifting process, and this will cause headrest support 30 to produce reversing by a relatively large margin starting moment, makes the left and right sides lifting of whole headrest asynchronous; And after headrest support 30 liftings put in place, also can't correct reversing effectively by a small margin of producing in the lifting process.
Therefore, existing imparity electric headrest actuating device has further improved necessity.
Summary of the invention
Therefore the technical problems to be solved in the utility model is for providing a kind of imparity electric headrest actuating device, prevent to start reversing greatly that moment causes, can correct reversing effectively by a small margin of producing in the lifting process simultaneously in the headrest lifting.
For solving the problems of the technologies described above, the utility model provides a kind of imparity electric headrest actuating device, comprising: a guiding trestle is formed with a guide groove on the described guiding trestle; One actuating device, comprise one be fixedly arranged on described guiding trestle motor and with described motor bonded assembly screw mandrel; One headrest support, described headrest support is provided with a feed screw nut, and two guide rods; Described feed screw nut is screwed together on described screw mandrel, and described guide rod is inserted in the described guide groove; Wherein, on described guiding trestle, be positioned at the upper and lower limit position that described headrest support moves up and down and be respectively arranged with inhibiting device.
Further improvement of the utility model is that described inhibiting device is for being arranged at two locating dowel pins of described screw mandrel both sides respectively.
By this design, two pairs of locating dowel pins that are positioned at headrest support lifting upper and lower limit position can be as the spacing stress point of headrest support, changes the eccentric force state of headrest support, thereby avoids headrest support to produce reversing by a relatively large margin starting moment; After headrest moved into place, two locating dowel pins that are arranged in the final position can be corrected reversing effectively by a small margin of producing of lifting process again.
Description of drawings
Fig. 1 is the view of the imparity electric headrest actuating device of prior art at the headrest building up transient;
Fig. 2 is that the imparity electric headrest actuating device of prior art is in the descend view of moment of headrest;
Fig. 3 is the structural representation of imparity electric headrest actuating device of the present utility model.
The specific embodiment
Consult shown in Figure 3ly, the basic structure of imparity electric headrest actuating device of the present utility model is same as the prior art, comprises a guiding trestle 10, one actuating devices 20 and a headrest support 30; Wherein:
Vertically be formed with guide groove 11 on the described guiding trestle 10; Actuating device 20 comprises a motor 21, is fixedly arranged on guide groove 11 upper ends near guiding trestle 10, and the clutch end of this motor 21 is connected with a screw mandrel 22, and the axis of this screw mandrel 22 is parallel with the guide groove 11 of described guiding trestle 10; Described headrest support 30 is a strip structure, and with being horizontally installed on the guiding trestle 10 perpendicular to described guide groove 11, this headrest support 30 includes a feed screw nut 31, and feed screw nut 31 is fixedly connected on the headrest support 30 by screw 34,35, and keeps being screwed together with screw mandrel 22; Be provided with two guide rods 32,33 with guide groove 11 opposite positions on the headrest support 30, and this guide rod 32,33 is inserted in the described guide groove 11; Screw mandrel 22 and guide groove 11 all are not arranged in the position of center line of headrest support 30; Improvement of the present utility model is, the upper and lower limit position that moves up and down at described headrest support 30 is respectively equipped with inhibiting device, as preferred embodiment of the present utility model, this inhibiting device can be two locating dowel pins 40 that are arranged at described screw mandrel 22 both sides respectively, certainly, also can take other to have the structure of identical effect.
Be example now, describe effect of the present utility model in detail with the headrest uphill process.As shown in Figure 3, when headrest did not rise, headrest support 30 was in lower position as shown in the figure, and this moment, the lower edge of headrest support 30 was resisted against on two locating dowel pins 40 being located at guiding trestle 10 lower ends; Starter motor 21 drives screw mandrel 22, and the gyroscopic movement of screw mandrel 22 is converted to feed screw nut 31 straight-line motion, and under the guiding of guide groove 11, headrest support 30 moves up simultaneously; Two locating dowel pins 40 are as spacing stress point, change the eccentric force state of headrest support 30, therefore at headrest support 30 because the locating dowel pin effect, can not be subjected to torsional interaction during startup and rotate, avoid headrest support to produce reversing by a relatively large margin starting moment; When headrest support 30 rises to upper limit position, be located at two locating dowel pins 40 of guiding trestle 10 upper ends and can correct reversing effectively by a small margin of in uphill process, producing of headrest support 30, make headrest support 30 when rising to vertex, keep balance.When headrest descended, principle was identical, relied on two locating dowel pins 40 of upper end to overcome moment of torsion when starting before this, and reversing effectively by a small margin of producing in the 40 pairs of decline processes of two locating dowel pins by the lower end again corrected.
Claims (2)
1. imparity electric headrest actuating device comprises:
One guiding trestle is formed with a guide groove on the described guiding trestle;
One actuating device, comprise one be fixedly arranged on the described guiding trestle motor and with described motor bonded assembly screw mandrel;
One headrest support, described headrest support are provided with a feed screw nut and two guide rods; Described feed screw nut is screwed together on the described screw mandrel, and described guide rod is inserted in the described guide groove;
It is characterized in that, on described guiding trestle, be positioned at the upper and lower limit position that described headrest support moves up and down and be respectively arranged with an inhibiting device.
2. device as claimed in claim 1 is characterized in that, described inhibiting device is for being arranged at two locating dowel pins of described screw mandrel both sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200665404U CN201333957Y (en) | 2009-01-06 | 2009-01-06 | Device for driving unsymmetrical electric headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200665404U CN201333957Y (en) | 2009-01-06 | 2009-01-06 | Device for driving unsymmetrical electric headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201333957Y true CN201333957Y (en) | 2009-10-28 |
Family
ID=41285600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200665404U Expired - Lifetime CN201333957Y (en) | 2009-01-06 | 2009-01-06 | Device for driving unsymmetrical electric headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201333957Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419683A (en) * | 2012-05-25 | 2013-12-04 | 布罗泽汽车部件制造科堡有限公司 | Adjusting device for adjusting at least one portion of a seat component of a vehicle seat |
| CN108357404A (en) * | 2018-04-13 | 2018-08-03 | 宁波继峰汽车零部件股份有限公司 | A kind of electric headrest |
| CN109455126A (en) * | 2017-11-29 | 2019-03-12 | 德尔汽车有限公司 | Linear activated component for electric headrest |
| CN109733260A (en) * | 2019-03-01 | 2019-05-10 | 重庆延锋安道拓汽车部件系统有限公司 | Car seat headrest with neck brace |
| CN109789823A (en) * | 2016-10-14 | 2019-05-21 | 牛步科技有限公司 | Headrest moving device and headrest driving unit |
| CN111391733A (en) * | 2020-04-17 | 2020-07-10 | 延锋安道拓(常熟)座椅机械部件有限公司 | Electric headrest adjusting mechanism |
-
2009
- 2009-01-06 CN CNU2009200665404U patent/CN201333957Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419683A (en) * | 2012-05-25 | 2013-12-04 | 布罗泽汽车部件制造科堡有限公司 | Adjusting device for adjusting at least one portion of a seat component of a vehicle seat |
| CN103419683B (en) * | 2012-05-25 | 2016-08-17 | 布罗泽汽车部件制造科堡有限公司 | For regulating the regulation equipment of at least one section of the seat component of seat |
| CN109789823A (en) * | 2016-10-14 | 2019-05-21 | 牛步科技有限公司 | Headrest moving device and headrest driving unit |
| CN109789823B (en) * | 2016-10-14 | 2022-01-25 | 牛步科技有限公司 | Headrest moving device and headrest drive unit |
| CN109455126A (en) * | 2017-11-29 | 2019-03-12 | 德尔汽车有限公司 | Linear activated component for electric headrest |
| CN108357404A (en) * | 2018-04-13 | 2018-08-03 | 宁波继峰汽车零部件股份有限公司 | A kind of electric headrest |
| CN109733260A (en) * | 2019-03-01 | 2019-05-10 | 重庆延锋安道拓汽车部件系统有限公司 | Car seat headrest with neck brace |
| CN111391733A (en) * | 2020-04-17 | 2020-07-10 | 延锋安道拓(常熟)座椅机械部件有限公司 | Electric headrest adjusting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091028 |